2109769673 has 12 divisors (see below), whose sum is σ = 2372939184. Its totient is φ = 1873363800.

The previous prime is 2109769667. The next prime is 2109769681. The reversal of 2109769673 is 3769679012.

It is not a de Polignac number, because 2109769673 - 2¹⁶ = 2109704137 is a prime.

It is a super-2 number, since 2×2109769673² = 8902256146221053858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2109769663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197543 + ... + 207948.

It is an arithmetic number, because the mean of its divisors is an integer number (197744932).

Almost surely, 2^2109769673 is an apocalyptic number.

It is an amenable number.

2109769673 is a deficient number, since it is larger than the sum of its proper divisors (263169511).

2109769673 is a wasteful number, since it uses less digits than its factorization.

2109769673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405556 (or 405545 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 2109769673 is about 45932.2291316239. The cubic root of 2109769673 is about 1282.5619409557.

The spelling of 2109769673 in words is "two billion, one hundred nine million, seven hundred sixty-nine thousand, six hundred seventy-three".